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1 /* |
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2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "trace/traceStream.hpp" |
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27 #if INCLUDE_TRACE |
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28 #include "classfile/classLoaderData.hpp" |
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29 #include "classfile/javaClasses.inline.hpp" |
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30 #include "memory/resourceArea.hpp" |
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31 #include "oops/klass.hpp" |
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32 #include "oops/method.hpp" |
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33 #include "oops/symbol.hpp" |
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34 |
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35 void TraceStream::print_val(const char* label, const Klass* val) const { |
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36 ResourceMark rm; |
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37 const char* description = "NULL"; |
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38 if (val != NULL) { |
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39 const Symbol* name = val->name(); |
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40 if (name != NULL) { |
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41 description = name->as_C_string(); |
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42 } |
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43 } |
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44 tty->print("%s = %s", label, description); |
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45 } |
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46 |
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47 void TraceStream::print_val(const char* label, const Method* val) const { |
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48 ResourceMark rm; |
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49 const char* description = "NULL"; |
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50 if (val != NULL) { |
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51 description = val->name_and_sig_as_C_string(); |
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52 } |
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53 tty->print("%s = %s", label, description); |
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54 } |
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55 |
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56 void TraceStream::print_val(const char* label, const ClassLoaderData* cld) const { |
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57 ResourceMark rm; |
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58 if (cld == NULL || cld->is_anonymous()) { |
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59 tty->print("%s = NULL", label); |
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60 return; |
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61 } |
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62 const char* class_loader_name = "NULL"; |
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63 const char* class_loader_type_name = "NULL"; |
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64 const oop class_loader_oop = cld->class_loader(); |
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65 |
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66 if (class_loader_oop != NULL) { |
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67 const Klass* k = class_loader_oop->klass(); |
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68 assert(k != NULL, "invariant"); |
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69 const Symbol* klass_name_sym = k->name(); |
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70 if (klass_name_sym != NULL) { |
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71 class_loader_type_name = klass_name_sym->as_C_string(); |
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72 } |
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73 const oop class_loader_name_oop = |
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74 java_lang_ClassLoader::name(class_loader_oop); |
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75 if (class_loader_name_oop != NULL) { |
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76 const char* class_loader_name_from_oop = |
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77 java_lang_String::as_utf8_string(class_loader_name_oop); |
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78 if (class_loader_name_from_oop != NULL && |
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79 class_loader_name_from_oop[0] != '\0') { |
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80 class_loader_name = class_loader_name_from_oop; |
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81 } |
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82 } |
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83 } else { |
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84 assert(class_loader_oop == NULL, "invariant"); |
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85 // anonymous CLDs are excluded, this would be the boot loader |
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86 class_loader_name = "boot"; |
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87 } |
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88 tty->print("%s = name=%s class=%s", label, class_loader_name, class_loader_type_name); |
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89 } |
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90 |
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91 #endif // INCLUDE_TRACE |